Question

If you have respiratory or heart problems, _____ can make it worse.

A. carbon monoxide
B. oxygen
C. nitrogen
D. sulfur oxide
E. nitrogen oxide
(Choose All That Apply)
(Its actually for Earth Science but thats not an option)

Answer 1

A. carbon monoxide
D. sulfur oxide

Answer 2

Therefore, A and D are correct option.

Step-by-step explanation:

For respiratory or heart problems many gases are harmful like carbon monoxide , sulfur oxide , carbon dioxide etc ,